You are correct, other than your typo. The centric zone in a monoclinic space group (B setting) is h0l.
This web site is a wiki so you should be able to correct it yourself. Dale Tronrud On 3/2/2019 2:00 PM, Edward A. Berry wrote: > The wiki: > > https://strucbio.biologie.uni-konstanz.de/ccp4wiki/index.php/Centric_and_acentric_reflections > > > says: > "A reflection is centric if there is a reciprocal space symmetry > operator which maps it onto itself (or rather its Friedel mate). > . . . > Centric reflections in space group P2 and P21 are thus those with 0,k,0." > > The operator -h,k,-l does NOT take 0,k,0 to its Friedel mate. > it takes h,0,k to their Friedel mates. In other words the plane > perpendicular to the 2-fold axis, at 0 along the axis > > Or am I missing something? > eab > > ######################################################################## > > To unsubscribe from the CCP4BB list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=CCP4BB&A=1 > ######################################################################## To unsubscribe from the CCP4BB list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=CCP4BB&A=1